root@forge:~# cat /var/log/lightdm/unity-system-compositor.log
0
945
959
973
987
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lxc-attach: attach.c: lxc_attach_run_command: 1195 No such file or directory - failed to exec '/usr/sbin/unity-system-compositor.sleep'
/usr/bin/unity8-lxc-compositor: 26: kill: Usage: kill [-s sigspec | -signum | -sigspec] [pid | job]... or
kill -l [exitstatus]